Swiss Gold Skeletonised Verge

A late 18^th Century skeletonised Swiss verge in a double sided stone set gold case.  Full plate gilt keywind fusee movement with three turned pillars.  The back plate skeletonised, plain cock with diamond endstone, pierced and engraved barrel cover.  Plain three arm polished steel balance.  Decorative pierced silver mask over the plate set with stones.  Winding through the white enamel dial, decorated with white stones between the Roman and Arabic numerals. Decorative silver hands set with stones.  Double sided gold consular case, engraved bezels set with stones, gold bow